Visual Impairment

IntroductionDowns Syndrome Vision Research Group defines Visual impairment as a reduction in pile because of a disorder or sickness of the ticker or brain. A forefront is considered to be optically impaired when their optical acuity is 20/70 or less in the better centerfield with best(p) correction, or a visual field of one one C forty degrees or less in the better eye. Having 20/70 vision means that a person apprise chit-chat an object or symbol at 20 feet prior while a non-visually impaired individual can make up ones mind that same object or symbol 70 feet away. Students with visual impairments cannot make normal progress in their schooling unless the teacher is prep ared to adjust his or her teaching strategy. There are many elements that can cause visual impairments and the teacher study to be aware of signs such as blinking often, make a face while looking at the chalkboard, having an unusual head crumple while reading or red or exasperate eyes. If teac hers can identify signs of visual impairments, they can do a couple of things; they can adjust the environment to make the school-age pincer comfortable, they can change their teaching strategy to allow the tyro to learn and they can refer the student to the correct persons so that the student can ascertain help. Overview of the EyeOur eyes help us to obtain information from our environment. The human eye is similar to a camera; it collects, focuses, and transmits light through a lens to comforter in an visualise of its surroundings. In a camera, the image is created on get or an image sensor while in the eye, the image is created on the retina; a thin layer of light-sensitive create from raw stuff at the back of the eye. ? featherbrained rays enter the front of our eye through the clear cornea and lens. It is real important... You should have included Retinitis Pigmentosa. It is a rare vision disease that leads to the reduc! tion of peripheral vision to tunnel vision. It is well researched, but if you include some of the rarer ones, for which in that respect are no cure, people will be much aware. If you want to get a full essay, order it on our website: OrderCustomPaper.com

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